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19.967  Articles
1 of 1.998 pages  |  10  records  |  more records»
A number of acylated derivatives of industrial gallotannin and ellagitannin from alder cones with different substitution degrees of phenolic hydroxyls has been synthesized. The synthesis involved the preparation of a mixture of derivatives with different ... see more

Air quality monitoring in urban areas is indispensable in understanding the environment and how anthropogenic factors contribute to the increasing volume of pollutants in the atmosphere. Differential optical absorption spectroscopy (DOAS) is a useful tech... see more

The binding behavior of anionic dyes, acid yellow 17 and acid blue 25, at an activated carbon–liquid interface has been investigated in organized media based on aqueous sodium dodecyl sulfate using differential electronic spectroscopy. The quantification ... see more

The increasing demand for rare earth elements in green technology, electronic components, petroleum refining, and agricultural activities has resulted in their scattering and accumulation in the environment. This study determined cerium, lanthanum and pra... see more

The increasing demand for rare earth elements in green technology, electronic components, petroleum refining, and agricultural activities has resulted in their scattering and accumulation in the environment. This study determined cerium, lanthanum and pra... see more

The increasing demand for rare earth elements in green technology, electronic components, petroleum refining, and agricultural activities has resulted in their scattering and accumulation in the environment. This study determined cerium, lanthanum and pra... see more

The phase formation of the solid solution Ca5Mg4–xZnx(VO4)6 (0=x=4) was studied in situ using differential scanning calorimetry and high-temperature X-Ray powder diffraction (XRPD). XRPD analysis shows the appearance of unavoidable secondary pyrovanadate ... see more

This work examines the oxidation process of Sea buckthorn oil encapsulated in ionotropically cross-linked alginate beads under oxidative conditions. The oxidation of oil was monitored by Fourier Transform Infrared Spectroscopy equipped with the universal ... see more

This paper presents a newly developed active device, referred to as a multiplied input differential difference amplifier (MIDDA), which allows operations of summation/subtraction and multiplication of input signals. It was designed and fabricated using I3... see more

1 of 1.998 pages  |  10  records  |  more records»